OUTLINE OF CHARLES DARWIN'S LIFE xxiii 



1872. Nov. 8th: "At Murray's sale 5267 copies sold to 



London booksellers." 



1873. Jan. : Correcting the Climbing Plants paper for pub- 



lication as a book. 



Feb. 3rd : At work on Cross-fertilisation. 

 Feb. to Sept. : Contributions to Nature. 

 June 1 4th : " Began Drosera again." 

 Nov. 2Oth : Began Descent of Man, Edit. II. 



1874. Descent of Man, Edit. II., in one volume, published 



(Preface dated September). 

 Coral Reefs, Edit. II., published. 

 April ist : Began Insectivorous Plants. 

 Feb. to May : Contributed notes to Nature. 



1875. July 2nd : Insectivorous Plants published (3000 copies) ; 



2700 copies sold immediately. 



July 6th : " Correcting 2nd edit, of Variation under 

 Domestication'' It was published in the autumn. 



Sept. ist (approximately): began on Cross and Self- 

 Fertilisation. 



Nov. : Vivisection Commission. 



1876. May 5th : " Finished MS., first time over, of Cross and 



Self-Fertilisation^ 

 May to June : Correction of Fertilisation of Orchids, 



Edit. II. 



Wrote his Autobiographical Sketch. 



May and Nov. : Contributions to Nature. 

 Aug. I Qth : First proofs of Cross and Self -Fertilisation. 

 Nov. loth : Cross and Self-Fertilisation published 

 (1500 copies). 



1877. " All the early part of summer at work on Different 



Forms of Flowers!' 

 July: Publication of Different Forms of Flowers (1250 



copies). 

 During the rest of the year at work on the bloom on 



leaves, movements of plants, "and a little on worms." 

 Nov. : LL.D. at Cambridge. 



Second edition of Fertilisation of Orchids published. 

 Contributions to Nature, Gardeners' Chronicle, and 



Mind. 



1878. The whole year at work on movements of plants, and 



on the bloom on leaves. 



